cycloalkanes vs alkenes

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Phoebe Hao 1J
Posts: 20
Joined: Fri Sep 25, 2015 3:00 am

cycloalkanes vs alkenes

Postby Phoebe Hao 1J » Mon Mar 07, 2016 1:24 am

If given the same overall chemical formula, does it matter if you draw one over the other?

Jonathan Shih 3H
Posts: 37
Joined: Fri Sep 25, 2015 3:00 am

Re: cycloalkanes vs alkenes

Postby Jonathan Shih 3H » Mon Mar 07, 2016 6:03 am

If given the chemical formula, any double or triple bonds would be indicated. So rather than CH3CH3 it would be CH3=CH3 for a double bond. With that being said, yes it does matter if you draw one over the other, as you would draw a cycloalkane if there were only single bonds and an alkene if there were a double bond present.

Chem_Mod
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Re: cycloalkanes vs alkenes

Postby Chem_Mod » Mon Mar 07, 2016 11:39 am

You would need extra information to determine whether or not it is an alkene versus a cycloalkane. A double bond may be visually indicated within the formula, or you might see the cycloalkane in parentheses. In the context of the problem, yes it can matter, but if it just says to draw a single isomer of the compound, then no it doesn't.


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